Hiram agan



UNITED STATES PATENT OFFICE.

HIRAM AGAN, OF ROME, NEW YORK, ASSIGNOB OF ONE-HALF TO ALFRED ETHRIDGE, OF SAME PLACE.

ECULITIVATOR-TOOTH.

SPECIFICATION forming part of Letters Patent No. 412,445, dated October 8, 1889.

' Application filed June 12, 1889. Serial No. 313,993- (No model.)

To all whom it may concern: the tooth. The tooth is curved sharply up- Be it known that I, HIRAM AGAN, of Rome, ward from the point-section to a practicallyin the county of Oneida, in the State of New vertical main portion, which latter begins York, have invented new and useful Iinproveslightly convex and increases in convexity to ments in Cultivator-Teeth, of which the folthe top of the tooth or blade, as illustrated in lowing, taken in connection With the acconn- Figs. 4 and 5 of the drawings. panying drawings, is a full, clear, and exact My described cultivator or harrow tooth is description. more particularly designed for use on the This invention consists in a novel construcwestern prairie lands, where the soil is heavy IO tion of a cultivator or harrow tooth formed and sticky.

with a straight face across the point thereof, My improved'tooth passes horizontally unwhich, in the operation of the tooth, cuts with der the ground and cuts ahead, so as to cause the entire width of the point horizontally the soil to slide horizontally over the top of under the surface of the ground, so as to cut the point, and then to be turned over at 0p- I 5 the roots of all plants a uniform distance posite sides of the point by the convex por- 5o under the ground, and in raising and casting tion of the tooth. In this manner the point the earth to opposite sides of the tooth the of the tooth is scoured by the soil and thus blunt front thereof breaks up said earth and prevented from being clogged. pulverizes the same more thoroughly than the Having described my invention, What I 20 usual V-shaped front of ordinary cultivator claim as new, and desire to secure by Letters and harrow teeth. Patent, is-

The invention is fully illustrated in the an- The improved cultivator or harrow tooth nexed drawings, in which form ed integral with the shank, and having a Figure 1 is a side view of a cultivator or horizontal V-shaped pointsection curving 25 harrow tooth embodying my invention. Fig. sharply upward-to a practically-vertical main 6o 2 is a front view of the same; and Figs. 3, 4, portion, said main portion beginning slightly and 5 are transverse sections, respectively, on convex and increasing in convexity to the top lines :r w, y 'y, and z 5, Fig. l. of the tooth or blade, substantially as shown My improved cultivator or harrow tooth and described. 0 and its attaching shank or standard are pref- In testimonywhereoflhave hereunto signed erably formed in one piece of sheet-steel and my name this 6th day of June, 1889. with aV-shaped point a. This point and the f HIRAM AGAN; [L. s] portion immediately back of it are perfectly Witnesses: flat transversely, so as to present a broad O. H. DUELL,

3 5 horizontal front or face across said portions of J. J. LAASS. 

